stimulant: المعنى والتعريفات

An agent, especially a chemical agent such as caffeine, that temporarily arouses or accelerates physiological or organic activity.

A stimulus or an incentive: "An age of political excitement is usually a stimulant to literature” ( Will Durant).

A food or drink, especially an alcoholic drink, believed to have a stimulating effect.

Serving as or being a stimulus; stimulating.